12/11 Decimal Story Problems

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point (.) to separate the whole part from the fractional part.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there are no decimals, then count the total number of decimal places in the numbers being multiplied and place the decimal point in the product accordingly.

Front

What does it mean to find a fraction of a number?

Back

Finding a fraction of a number means to divide the number into equal parts and take the specified number of those parts.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, multiply the price of each item by the quantity purchased and then add all the amounts together.

Front

What is the formula for finding the average?

Back

The average is found by adding all the numbers together and then dividing by the total number of items.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number).

Front

What is the importance of estimating in math?

Back

Estimating helps to quickly assess the reasonableness of an answer and can simplify calculations.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario that requires interpretation and problem-solving.

Front

How do you find the difference between two amounts?

Back

To find the difference, subtract the smaller amount from the larger amount.